Need Help
If someone is there who can help me by create an IGBT-Module, please let me know.
View ArticleLaser heating of a plate
Hey,im new to Comsol and i want to simulate laser-heating a plate. I used the laser_heating_wafer.mph model as a guideline. But when i change the parameter of the laser-beam-radius to something like...
View ArticleInvoke a property of the material of a certain domain
Hi,For a boundary load, I'm using a variable which depends of certain material properties. It works if I define this properties as parameters, or invoke them directly from the material properties. But...
View ArticleSimulation of LED (InGaN heterostructure)
Hii am working on Light emitting diodes, recently i checked that we can also simulates LEDs with the help of COMSOL, and also from COMSOL official website download example related to heterostructure...
View ArticleProblems of error in the plasticity hardening model: Lamda non positive for...
Hello every experts and comsol users, I made a simulation of laser beam welding and added a temperature dependent plasticity. When the generated stress reaches the initial yield stress, I get the error...
View ArticleThe Pressure Acoustics Impedance coupling
I saw the introduction that in Pressure acoustic RCL model, we can coupling to an Electric circuit model (More advanced circuit models may be entered manually in the User defined option or by coupling...
View ArticleSingularities in the shape
Hi allI am modelling a single cell passing through a microfludic device in 2D set up using fluid-solid interaction interface(FSI).I found that when the velocity of the fluid is extremely high in the...
View ArticleUsing a stationary solution for time-dempendent problem
Hello,I have solved a stationary model for a flow field and temperature distribution.In the next step I want to solve a time-dependent problem for mass transport. In the inlet there's a change from...
View ArticleSome problems with parameters in module post-processing
Simulations in acoustic modules and solid mechanics modules have been done recently. I would like to ask some questions about the parameters in the post-processing of these two modules. There are some...
View Articlemagnetic_gear_2d_geometry_sequence.mph.
Hi I'm looking for magnetic_gear_2d_geometry_sequence.mph file I couldn't find it in the application library I'm following this pdf to practice...
View Articlepipe-flow-and-surface-radiation-interaction
The below post is related to an archived discussionHello Aaron Vallehope you are well. I see your issue now. do you solve your problem?Peiravi M. M.
View ArticleECM (Electro Chemical Machining)
if any one is working ecm process in 3d geomerty. please help me because i am also working on ecm
View ArticleError: Failed to generate mesh for domain, Intersecting face elements
Hello,I am attempting to simulate the electric field of an imported CAD geometry (attached below) that includes a wire readout plane. My naive approach of generating a physics-defined mesh yields a...
View ArticleModal assurance criterion (MAC) calculation
Does COMSOL calculate MAC of mode shapes obtained by FEA and mode shapes derived from experimental modal analysis (EMA)?Is there a command for MAC?Thank you!
View ArticleThermo Hydro Mechanical Modeling of Porous media
Dear Users, I am working on the thermo-hydro-mechanical model of porous media. At the time of solving I am getting the problem under time dependent study. For the time period (i.e., in s) (0, 0.1, 1)...
View ArticleQuestion regarding the calculation of area
Hi all,I have a 3D geometry and I was trying to get the boundary area of certain portion as an input for the further calculation.As suggested, there are two ways to get the area value: 1. Use measure...
View ArticleCreate inner surface by heat transfer
Dear Users,I need your help with a hopefully simple thing. I have two geometric bodies. The problem is that the surface between them dont exist so I canĀ“t create a thin layer to simulate the heat...
View ArticleRegarding Rosette configuration
Hello all, How to make strain mesurement using Rosette Configuration in Comsol, If known please let me know the procedure.
View ArticleView Factor Computation (?!)
Has anyone succesfully computed view factors in a 2D geometry yet? I have tried to follow this blog: https://www.comsol.com/blogs/computing-view-factors-with-the-heat-transfer-module/, but when trying...
View ArticleFrequency Response for a clamped beam with many vibration absorbers.
Hello all,I have a thin plate modeled as 3D in solid mechanics module. On the top of this plate, I have places a mass-spring resonator (vibration absorber) (please see the attached figure) where I have...
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